/*
 * The MIT License
 *
 * Copyright 2014 Venkat Ram Akkineni.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.netbeans.modules.tfsnb.tfvc.workingfolder.filesystemtree;

import java.io.File;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import javax.swing.filechooser.FileSystemView;
import org.openide.nodes.ChildFactory;
import org.openide.nodes.Node;


/**
 *
 * @author Venkat Ram Akkineni
 */
public class FileSystemFolderChildrenFactory extends ChildFactory {
    
    public FileSystemFolderChildrenFactory(final File folder) {
        this.folder = folder;
    }
    
    @Override
    protected boolean createKeys(final List toPopulate) {
        children = FileSystemView.getFileSystemView().getFiles(folder, true);

        final List<String> folderNames = new ArrayList<>();
        final List<String> fileNames = new ArrayList<>();
        
        for(File file: children) {
            if(file.isDirectory()) {
                folderNames.add(file.getName());
            } else {
                fileNames.add(file.getName());
            }
        }
        
        Collections.sort(fileNames);
        Collections.sort(folderNames);
        toPopulate.addAll(folderNames);
        return toPopulate.addAll(fileNames);
    }

    @Override
    protected Node createNodeForKey(final Object key) {
        final File currentFile = FileSystemView.getFileSystemView().getChild(folder, (String) key);
        if(currentFile.isDirectory()) {
            return new FileSystemFolderNode(currentFile);
        } else {
            return new FileSystemFileNode(currentFile);
        }
    }
    
    private final File folder;
    private File[] children;
}
